export{}

// 1.类型[] 写法
let userList: string[] = ['zs','ls']
let ageList :number[] = [1,2]

// userList.forEach((i)=>{
    // i.push()
// })

ageList.forEach((i)=>{

})


// 2.Array<类型>  泛型写法
let userList1: Array<string> = ["ls",'zs']
let ageList1: Array<number> = [1,2]